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IN THIS ISSUE:
- Editorial – We Often Hear the Term “Scientific Gemmology”, but Wouldn’t That Be an Obvious Assumption? (Paolo Minieri)
- Wartime Economy: The Diamond Between Crisis and Opportunity (Sergio Sorrentino)
- 10X – De Smaragdorum Hydrothermalium Natura, quae in Russia reperiuntur, sed a Natura non generantur. On the Nature of Russian Hydrothermal Emeralds (Unnatural): (Luigi Costantini, Alberto Malossi, Claudio Russo, with the collaboration of Flavio Butini and Marco Torelli)
- 10X – Part One – The Mystery of Russian Hydrothermal Synthetic Emeralds: Why So Many Questions Surrounding How, When, Where, and in What Quantities They Appeared on the Scene — Always Shrouded in an Aura of Mystery? (Luigi Costantini, Alberto Malossi, Claudio Russo, with the collaboration of Flavio Butini and Marco Torelli)
- GEM NEWS – From Spectroscopy to Provenance: Journey into the Gemmology of Pink-Purple Corundums
- GEM NEWS – Geuda Sapphires and Heat Treatment: Tracing the Material’s Origin
- GEM NEWS – The Role of Manganese and Iron in the Coloration of Raspberry-Red Grossular
- GEM NEWS – Mogok Under Siege: The Struggle for Control of the Ruby Mines and Strategic Trade Routes
- GEM NEWS – Too Much Chromium Hurts (Fluorescence): A New Study on Red Spinel
- GEM NEWS – IGI Alumni Italy Launches its First Online Symposium this November: Coral, Diamonds, and Laboratory Insights
- GEM NEWS – Malawi’s Untapped Gem Wealth: A Sleeping Giant Beneath the Soil
- GEM NEWS – ECROFI Returns to Italy: Scientists from Around the World Gather in Turin to Study Fluid Inclusions
- GEM NEWS – Botswana Eyes Control of De Beers, but the Financial Times Remains Skeptical
- GEM NEWS – Synthetic Diamond Reports: HRD Halts Certification, GIA Simplifies Grading, and IGI Maintains Leadership in a Declining Market
- GEM NEWS – Synthetic Diamonds, Murders, and Intrigue on 47th Street: Rob Bates from Journalism to Thrillers
- Naples Conference 2025: A Gemmological Mosaic Under Scientific Scrutiny. The Complete Report. Where Responsibility, Sustainability, and Provenance Are Redefined. From Tourmalines to Coral, from Diamonds as Geological Messengers to New Masters, from Legal Frameworks Against Fraud to the Challenge of Photomicrography (Paolo Minieri and Stefania Coppola)
- “The Soul of Precious Stones: From Earth to Light”: the Winners of the Photo Contest Promoted by IGR (Liviano Soprani)
- The New Hybrid Set Revolutionizes Diamond Grading, Ending the Long-standing Challenge of Finding Masters (Gary Roskin)
includes the insert curated by the Editorial Team:
- What About Colored Stones? Everyone Uses Their Own Master Set
- Professional Responsibility and Legal Implications in Gemmology (Marco Calabrò)
- REVIEWS – The World is Still Out There to Be Explored. A Journey to “Rubies from Greenland” with Vincent Pardieu (Nicola Precisvalle)
- COUNTER-GEMOLOGY – The Great Diamond Undercover Intrigue: Nazi, Soviets, Brits & De Beers. How the USSR Bought the Silence of the West (The “Bad-Mouthed Jiminy Cricket”: Luigi Costantini)
ON THE COVER:
“The ocean sunfish”. Crystal in sapphire (detail). (Photo: Francesco Protopapas)
